User Guide

Inspection, cleaning, repair—
Chimney, flue pipe and boiler
Y
our boiler and heating system will last an indefinitely
long time at full efficiency, if it is inspected regularly
and is kept in good repair and adjustment. You, the
user, should make regular inspections, and report any
problems to your service agency. At regular intervals,
you should have that agency inspect the system, and
clean the boiler and make repairs and adjustments as
necessary. What you and the service agency should
do are listed below.
Contact your gas supplier for a list of qualified service
and repair agencies.
User inspection
At least once each month during the heating season
and once just before cold weather starts:
(1) Look closely at the smokepipe and draft hood (see
figure 18, 19 & 20). Make sure pipe joints are snug
and are fastened with screws. Cement at the chim-
ney joint should fill the point and should not leak
air. There should be no visible signs of rust (corro-
sion) or salts from water evaporation.
(2) Look at all water (or steam) piping. There should
be no leaks or signs of leaks at any pipe joints or
around the boiler. Drain valves, other valves, and
the relief valve (or steam safety valve) should not
drip or leak.
(3A) On water boilers:
The temperature and pressure gauge indicates the
pressure in the boiler at each water temperature.
For most installations, it should indicate about 12
to 15 psi pressure when temperature is about 70 to
100 degrees F, and from 15 psi to 25 psi when
temperature is up to 240 degrees F. FOR YOUR
SYSTEM, there is one correct pressure for each
temperature. ASK YOUR INSTALLER OR SERVI-
CEPERSON TO EXPLAIN AND SHOW YOU.
Your gas boiler must be installed and serviced by a qualified service agency or
gas supplier. The lack of proper service can result in a dangerous condition.
L
earn what normal pressures to look for. If pres-
sure decreases from normal, your system is losing
water. If pressure rises from normal, the relief valve
will open to relieve the pressure. Call your service
organization if pressures are higher or lower than nor-
mal, and if the relief valve spills water. Repair or
a
djustment is needed.
(3B) On steam boilers:
(a) The water level in the gauge glass must be kept
constant. You must have your installer or service
organization explain to you how water is added to
maintain water level.
(b) Boiler models may be equipped with either a float
type or electronic probe type low water cutoff.
Float Type:
You must be familiar with this LOW WATER CUT-
OFF, how it works and HOW TO BLOW IT DOWN.
Instructions are supplied with it. Ask your service
organization to explain and show you blowdown.
The cutoff should be blown down three times the
first week and should be blown down weekly
thereafter. Maintenance of the low water cutoff is
vital in protecting your steam boiler against break-
age due to loss of water.
Electronic Probe Type:
If your boiler is equipped with an electronic probe
type low water cutoff, it requires periodic testing.
Ask your service agency to test this low water cut-
off twice a year.
(4) Study the labels attached to your boiler, especially the
LIGHTING AND SHUTDOWN instructions. Have your
installer or service organization show you how to start
and shut down the boiler following those instructions.
The lighting instructions on your boiler are also repro-
duced, with pictures, in this manual.
(5) Stand near the boiler, look and listen. As the burners
start and shut off, there should be no unusual noise.
No fire should be visible coming out of the front when
the burners start or run.
5
Figure 18. (Galaxy GG, GXH, Sentinel SE boilers)
Figure 19. (Galaxy GXHA and Sentry S boiler) Figure 20. (Galaxy GXHA and Sentry S boilers)